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Immune System
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Immune System

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57 ARTICLES IN THIS TOPIC

Acute Lymphocytic Leukemia

Acute Lymphocytic Leukemia (ALL) or Acute Lymphoblastic Leukemia is a cancer of the white blood cells. Learn more about symptoms and treatment.
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Addison Disease

Addison disease, or primary adrenal insufficiency, happens when your adrenal glands don't make enough of certain hormones. Learn about symptoms and treatment.
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Allergy

An allergy is a reaction by your immune system. Substances that cause reactions include pollen and food. Find the full list of allergies and symptoms.
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Anaphylaxis

Anaphylaxis or anaphylactic shock is a serious allergic reaction. It can begin very quickly, and symptoms may be life-threatening. Read the symptoms.
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Animal Bites

Wild animals might attack if they are threatened or acting protective. Attacks by pets are more common. Learn how to avoid both types of animal bites.
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Ankylosing Spondylitis

Ankylosing spondylitis is a type of arthritis. It causes inflammation between vertebrae and in the joints between spine and pelvis. Learn more.
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Aplastic Anemia

Aplastic anemia is a rare but serious blood disorder. If you have it, your bone marrow doesn't make enough new blood cells. Read more on the causes.
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Asthma

Asthma is a chronic lung disease. It causes asthma attacks, which make your airways inflamed and narrowed, and your lungs get less air. Learn about treatments.
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Asthma in Children

Children's airways are small, making asthma more serious for them. Learn the symptoms, what can cause an attack, and long term treatments.
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Autoimmune Diseases

Autoimmune diseases are where your immune system attacks healthy cells in your body by mistake. Learn about the symptoms, tests, and treatments.
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Bone Marrow Diseases

Bone marrow diseases affect your body's ability to make healthy blood cells. Learn the different causes and possible treatments.
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Bone Marrow Transplantation

Bone marrow transplantation replaces faulty bone marrow with healthy bone marrow from a donor. Learn about the possible risks, and procedure.
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